Chelsea House Montessori Preschool/kdgn

Chelsea House Montessori Preschool/kdgn in Seattle, WA, offers Kindergarten–only programs with a total enrollment of 14 students in a large city setting.
Founded in 1985, this nonsectarian Montessori school is located in the Olympic Hills neighborhood and maintains a student–teacher ratio of 7:1.
The school employs two teachers, with 25 percent of students identifying as students of color, reflecting some racial and ethnic diversity.
Chelsea House Montessori is a member of the American Montessori Society and the National Association for the Education of Young Children.
Summer school programs are available, supporting year–round early childhood education within this Seattle Montessori preschool.

Quick Facts (2025-26)

  • School Type: Montessori School
  • Grades: Kindergarten
  • Enrollment: 14 students
  • Average class size: 18 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

School Overview

Religious Affiliation
Grades Offered
Grades Kindergarten
Year Founded
1985
Summer School Offered
Yes
Summer Program Details
School Calendar

Student Body

Total Students
14 students
Student Body Type
Co-ed
% Students of Color
25%
State avg.: 31%
Students by Grade
Chelsea House Montessori Preschool/kdgn Student By Grade

Academics and Faculty

Total Classroom Teachers
2 teachers
Student-Teacher Ratio
7:1
National avg.: 13:1
% Faculty w/Advanced Degree
3%
Average Class Size
18 students

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Admissions Director
Jaisri Gangadharan
Admissions Associate
Jaisri Gangadharan
Application URL

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
2 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Spanish Language Program


Arts and Music Programs:
Music

School Notes

  • Chelsea House Montessori is a small school with a teacher-student ratio of 1:6. We leave the children with a curious mind and a love of learning. 90% of the children are able to read and do math (addition and subtraction) before they start kindergarten. We also teach Spanish and Music.
Source: Verified school update

Frequently Asked Questions

What schools are Chelsea House Montessori Preschool/kdgn often compared to?
Chelsea House Montessori Preschool/kdgn is often viewed alongside schools like Discovery Montessori School by visitors of our site.
Does Chelsea House Montessori Preschool/kdgn offer a summer program?
Yes, Chelsea House Montessori Preschool/kdgn offers a summer program. Visit their summer school page for more information.
When is the application deadline for Chelsea House Montessori Preschool/kdgn?
The application deadline for Chelsea House Montessori Preschool/kdgn is rolling (applications are reviewed as they are received year-round).
In what neighborhood is Chelsea House Montessori Preschool/kdgn located?
Chelsea House Montessori Preschool/kdgn is located in the Olympic Hills neighborhood of Seattle, WA. There are 1 other private schools located in Olympic Hills.

School Reviews

Endorse Chelsea House Montessori Preschool/kdgn. Endorsements should be a few sentences in length. Please include any comments on:

  • Quality of academic programs, teachers, and facilities
  • Availability of music, art, sports and other extracurricular activities
  • Academic or athletic awards
Endorse this school:

Recent Articles

Understanding Private School Tuition in 2025
Understanding Private School Tuition in 2025
Explore updated private school tuition trends, costs, policy shifts, and financial planning insights for 2025 families considering private education.
Private School Curriculum in 2025: Key Courses and Trends
Private School Curriculum in 2025: Key Courses and Trends
Explore what private schools are teaching in 2025, from core subjects and AI to global studies and tuition trends shaping private education today.
Sliding-Scale & Income-Based Tuition Models for Private Schools
Sliding-Scale & Income-Based Tuition Models for Private Schools
Learn how sliding-scale and income-based tuition models work and whether they are right for your family. Compare costs, eligibility, and school options.

Quick Facts (2025-26)

  • School Type: Montessori School
  • Grades: Kindergarten
  • Enrollment: 14 students
  • Average class size: 18 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Request Information

Did You Know?

The average private school tuition in Seattle, WA is $21,536 for elementary schools and $24,212 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Seattle, WA is 70% (read more about average acceptance rates across the country).

Quick Links